描述了目前国内单体最大的超导磁体低温恒温器结构研制过程.该超导磁体低温恒温器结构由恒温器和超导线圈支撑骨架2部分组成,整体结构要求保持高真空度,长期不泄漏,工作温度在-196～-269℃的超低温环境.低温恒温器结构中超导线圈支撑骨架是超导磁体中线圈的支撑基础,整体机加工后的同心度1.0 mm,垂直度2.0 mm.该项目的研究对同类型低温超导磁体结构的制造具有积极的指导意义和借鉴作用.%This paper describes a kind of structure development about the present largest superconductive magnet low-temperature THERMO in our country. The THERMO structure is consist of two parts which needs to work in a low temperature( - 196 ～ -269 ℃ )long term and no leaking. This research is of great value to super-conductive magnet low-temperature THERMO structure manufacture in China recently.
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